Brightly colored waters in the Black Sea give evidence of the
growth of tiny marine plants called phytoplankton, which contain
chlorophyll and other pigments that reflect light different ways,
producing the colorful displays:http://visibleearth.nasa.gov/cgi-bin/viewrecord?19484

Chlamydomonas:

Here you will find a listing of the strains available, methods and educational
material, links to colleagues and news of meetings, and the latest updates
on the Chlamydomonas reinhardtii genome project, including the data bases
for searches.